Home / 30,422.28-41,981.78-17,676.53

Finding the Fourth Proportional to 30,422.28, 41,981.78 and 17,676.53

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Solution

The fourth proportional to 30,422.28, 41,981.78 and 17,676.53 is: 24,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422.28 : 41,981.78 = 17,676.53 : x
  2. Step 2: Convert to fraction form
    30,422.28/41,981.78 = 17,676.53/x
  3. Step 3: Cross multiply
    30,422.28x = 41,981.78 × 17,676.53
  4. Step 4: Simplify right side
    30,422.28x = 742,091,895.33
  5. Step 5: Solve for x
    x = 742,091,895.33/30,422.28
  6. Step 6: Final answer
    x = 24,393.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.